Hỗ trợ cho JK17B
- Fabric is caught in the machine and cannot be removed
- Upper thread tightened up
- The bobbin thread cannot be pulled up.
- Tangled thread on wrong side of fabric
- When I press the Start-Stop Button or Foot Controller, my machine makes a whirring noise, but the Needle bar does not move.
- The machine does not make stitches
- Why does the needle keep breaking?
- Why does the lower thread keep breaking? Xem thêm Ẩn đi
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